matū hpmc hydroxypropyl methyl cellulose whakamahia ki te hanga CAS 9004-65-3
Hydroxypropyl methyl cellulose (HPMC)
Te ahua: Te miraka ma, te paura ma ranei
Te pāmahana waro: 280-300%
Te pāmahana tae: 190-200 %
Te rahi o te matūriki: 100 te reeti whakawhiti mata he nui ake i te 98.8%;80 te reeti whakawhiti mata 99.9%;Ko te rahi o te matūriki o te tohu motuhake ko te 40-60 te mata.
Kiato ahua: 0.25-0.70g/cm(te nuinga o te 0.5g/cm), te taumaha motuhake: 1.26-1.31
Te wairewa: te wairewa i roto i te wai me etahi whakarewa, penei i te wahanga tika o te waiwaro/wai, propanol/wai.Ko te wairewa wai he mahi mata, he maamaa teitei me te mahi pumau.
Hydroxypropyl methyl cellulose, e mohiotia ana ano ko te hydroxypropyl methyl cellulose, te paihere muka hydroxypropyl methyl ether, ko te kowhiringa o te muka miro tino parakore hei rauemi mata i raro i nga tikanga kawakore ma te motuhake.
etherification me te whakarite.Kei a ia nga ahuatanga o te kaha o te matotoru, te tote tote, te iti o te pungarehu, te pumau o te PH, te pupuri i te wai, te pumau o te ahua, te hanga kiriata pai, me te nui o te aukati koriri,
te whakamararatanga me te adhesion.
Te ahumahi hanga
1.Moata sima
2.Ceramic tile ciment
3.Asbestos me etahi atu paninga whakaahuru: hei kaihoko whakatārewatanga, hei whakapai ake i te rere, engari he pai ake te piri o te tïpako.
4.Gypsum coagulant slurry: whakapai ake te pupuri wai me te mahi, whakapai ake i te piri ki te tïpako
5.Joint ciment: tāpiri ki te sima tahi whenua mo te papa gypsum ki te whakapai ake i te rere me te pupuri wai
